第112题 【单项选择】（1分）： 请选出以下程序运行结果：package mainimport "fmt"func main(){ var c1 chan int c1 = make(chan int) c1 <- 20 fmt.Println("received: ", <- c1, " from c1")}
请选出以下程序运行结果：
package mainimport "fmt"func main(){ var c1 chan int c1 = make(chan int) c1 <- 20 fmt.Println("received: ", <- c1, " from c1")}
